The total pressure of gas collected over water is 725.0 mmHg and the temperature is 18.5 C what is the pressure of hydrogen gas formed in mmHg

the major pests we deal with are insects, weeds and fungal diseases. a pesticide is a product, whether organic or chemical, used to kill the target pest. there are other techniques gardeners should use that can prevent the severe infestations that make the use of pesticides necessary

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.

warm front forms when a moist, warm air mass slides up and over a cold air mass. as the warm air mass rises, it condenses into a broad area of clouds. a warm front brings gentle rain or light snow, followed by warmer, milder weather.

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